在json和Web api之间保留C＃datetime本地时间？
我有问题，当我在json对象中有datatime时它会将它转换为C＃dateTime中的UTC时区只是想问如何保持本地时间？我可以在web.config文件或geter或setter中设置时区属性，因为我必须可能反对有日期和时间吗？ 这是一个类的例子？
public class Patient { public long RecordId { get; set; } public string Username { get; set; } public DateTime Date { get; set; } public bool Deleted { get; set; } public string ModifiedBy { get; set; } public DateTime ModifiedOn { get; set; } public string CreatedBy { get; set; } public DateTime CreatedOn { get; set; } } 更新我尝试使用getter和setter来修复我有这个exception{Cannot evaluate expression because the current thread is in a stack overflow state.}
[System.Web.Http.Route("api/postpatientform")] public HttpResponseMessage PostPatientForm(PatientViewModel form) { using (var db = new AthenaContext()) { try { var form2 = Mapper.Map(form); db.Patient.Add(form2); db.SaveChanges(); var newId = form2.RecordId; foreach (var activity in form.PatientActivities) { activity.PatientId = newId; db.NonPatientActivities.Add(Mapper.Map(activity)); } db.SaveChanges(); } catch (DbEntityValidationException e) { foreach (var eve in e.EntityValidationErrors) { Debug.WriteLine("Entity of type "{0}" in state "{1}" has the following validation errors:", eve.Entry.Entity.GetType().Name, eve.Entry.State); foreach (var ve in eve.ValidationErrors) { Debug.WriteLine("- Property: "{0}", Error: "{1}"", ve.PropertyName, ve.ErrorMessage); } } throw; } } return Request.CreateResponse(HttpStatusCode.Created, null); }
您可以更改序列化程序设置以使用JSON.net序列化程序：
GlobalConfiguration.Configuration.Formatters.JsonFormatter.SerializerSettings = new JsonSerializerSettings { DateFormatHandling = DateFormatHandling.IsoDateFormat, DateTimeZoneHandling = DateTimeZoneHandling.Unspecified, };
您还可以选择各种日期格式： DateTimeZoneHandling
////// Specifies how to treat the time value when converting between string and public enum DateTimeZoneHandling { ///. /// /// Treat as local time. If the Local = 0, ///object represents a Coordinated Universal Time (UTC), it is converted to the local time. /// /// Treat as a UTC. If the Utc = 1, ///object represents a local time, it is converted to a UTC. /// /// Treat as a local time if a Unspecified = 2, ///is being converted to a string. /// If a string is being converted to , convert to a local time if a time zone is specified. /// /// Time zone information should be preserved when converting. /// RoundtripKind = 3 }
你可以配置它。 请参阅： http ： //www.newtonsoft.com/json/help/html/SerializeDateTimeZoneHandling.htm
这是一个例子：
public void Config(IAppBuilder app) { var config = new HttpConfiguration(); var jsonFormatter = config.Formatters.OfType().First(); jsonFormatter.SerializerSettings.DateTimeZoneHandling = DateTimeZoneHandling.Local; app.UseWebApi(config); }
您可以使用TimeZoneInfo.ConvertTime转换为所需的时区。
查看此方法： https ： //msdn.microsoft.com/en-us/library/bb382770（v = vs.110）.aspx
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